Seiko Cal. 5659 - 781

The 5659-781 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5659 caliber with 25j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-20314fe04b70]

Also known as: Sea Horse, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1979

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